SUNNYVALE, Calif., – November 14, 2012 – Proofpoint, (NASDAQ: PFPT) a leading security-as-a-service provider, today announced it ranked 352 on Deloitte's Technology Fast 500™, a ranking of the 500 fastest growing technology, media, telecommunications, life sciences and clean technology companies in North America.

Proofpoint’s Chief Executive Officer Gary Steele credits Proofpoint’s creativity and innovation for its ability to leverage both cloud and big data technology to deliver data protection, archiving and governance solutions worldwide. He said, "Our unique capabilities are ahead of the curve when it comes to addressing emerging threats like persistent targeted attacks, for example, and we can protect data wherever it may reside – both within the enterprise and beyond."  

"We are proud to honor the 2012 Technology Fast 500™ companies, and commend them for their outstanding growth," said Eric Openshaw, vice chairman, Deloitte LLP and U.S. technology, media and telecommunications (TMT) leader. "These ground-breaking companies have outpaced their competition and are reinventing the way we do business today."

"The companies on the Fast 500 list are among those that have demonstrated remarkable innovation, creativity and business savvy," said Bill Ribaudo partner, Deloitte & Touche LLP and national TMT leader for audit and enterprise risk services (AERS). "As a result, these companies have continued to successfully forge ahead in a challenging economic environment. We applaud the leadership and employees of Proofpoint for this impressive accomplishment."

About Deloitte's 2012 Technology Fast 500™
Technology Fast 500, conducted by Deloitte & Touche LLP, provides a ranking of the fastest growing technology, media, telecommunications, life sciences and clean technology companies – both public and private - in North America. Technology Fast 500 award winners are selected based on percentage fiscal year revenue growth from 2007 to 2011.

In order to be eligible for Technology Fast 500 recognition, companies must own proprietary intellectual property or technology that is sold to customers in products that contribute to a majority of the company's operating revenues. Companies must have base-year operating revenues of at least $50,000 USD or CD, and current-year operating revenues of at least $5 million USD or CD. Additionally, companies must be in business for a minimum of five years, and be headquartered within North America.

About Proofpoint, Inc. 
Proofpoint, Inc. (NASDAQ:PFPT) is a leading security-as-a-service provider that focuses on cloud-based solutions for threat protection, compliance, archiving & governance and secure communications. Organizations around the world depend on Proofpoint's expertise, patented technologies and on-demand delivery system to protect against phishing, malware and spam, safeguard privacy, encrypt sensitive information, and archive and govern messages and critical enterprise information. More information is available at www.proofpoint.com.

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